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I am developing an application in Python to run on a Raspberry Pi, this application will start as soon as the device is turned on. I am using the Pyqt5 to make the screens.
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How can I set up Raspberry Pi for this purpose?
An easy way to do this setup is to put a command to run your file .py in /etc/network/if-up.d/upstart. You need to open the file:
sudo nano /etc/network/if-up.d/upstart
And then look for the part all_interfaces_up() and add the path to your file:
all_interfaces_up() {
python /caminho/para/seu/arquivo.py # adicionar essa linha aqui
# vai ter mais coisa escrita aqui
}
There’s other ways to run an application once Python starts. You can choose the one that best suits you.
It is possible to install only the Raspbian Stretch Lite or I have to install the Raspbian Stretch with desktop so that the screens are displayed?
It is possible only in the Lite version.
It didn’t work, I’ll research more and post here again.
Look for solution with systemd. It has in the link I recommended. When I needed and had problems, I used it and it worked.
I added the lines in /etc/rc.local to run my python script. It tries to run but gives error "Qxcbconnection: Could not connect to display". What can be?
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I recommend seeking the next questions about the Raspberry Pi on own community and deal only with things pertaining to programming here.
– Rafael Barros
Thank you, I was not aware of the existence of this community. I must remove this question?
– kenta
I don’t think so. It’s just that there are people who mess with it and will give you more complete, fast and accurate answers. That’s if you’re not in the forum anymore.
– Rafael Barros